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Java > Open Source Codes > org > apache > roller > ui > authoring > struts > actions > ImportEntriesAction


1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. The ASF licenses this file to You
4 * under the Apache License, Version 2.0 (the "License"); you may not
5 * use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License. For additional information regarding
15 * copyright in this work, please see the NOTICE file in the top level
16 * directory of this distribution.
17 */
18 /*
19  * Created on Mar 31, 2004
20  */
21 package org.apache.roller.ui.authoring.struts.actions;
22
23 import java.io.File JavaDoc;
24 import java.io.IOException JavaDoc;
25 import java.util.ArrayList JavaDoc;
26 import javax.servlet.ServletException JavaDoc;
27 import javax.servlet.http.HttpServletRequest JavaDoc;
28 import javax.servlet.http.HttpServletResponse JavaDoc;
29
30 import org.apache.struts.action.ActionError;
31 import org.apache.struts.action.ActionErrors;
32 import org.apache.struts.action.ActionForm;
33 import org.apache.struts.action.ActionForward;
34 import org.apache.struts.action.ActionMapping;
35 import org.apache.struts.action.ActionMessage;
36 import org.apache.struts.action.ActionMessages;
37 import org.apache.struts.actions.DispatchAction;
38 import org.apache.roller.RollerException;
39 import org.apache.roller.model.RollerFactory;
40 import org.apache.roller.pojos.WebsiteData;
41 import org.apache.roller.ui.core.RollerRequest;
42 import org.apache.roller.ui.core.RollerSession;
43 import org.apache.roller.util.cache.CacheManager;
44 import org.apache.roller.ui.authoring.struts.formbeans.ImportEntriesForm;
45 import org.apache.commons.lang.StringUtils;
46
47 /**
48  * TODO: revisit this class once Atom 1.0 support comes to Rome
49  * @struts.action name="importEntries" path="/roller-ui/authoring/importEntries"
50  * scope="request" parameter="method"
51  *
52  * @struts.action-forward name="importEntries.page" path=".import-entries"
53  *
54  * @author lance.lavandowska
55  */
56 public class ImportEntriesAction extends DispatchAction
57 {
58     public ActionForward importEntries(
59                               ActionMapping mapping,
60                               ActionForm actionForm,
61                               HttpServletRequest JavaDoc request,
62                               HttpServletResponse JavaDoc response)
63     throws IOException JavaDoc, ServletException JavaDoc
64     {
65         ActionForward forward = mapping.findForward("importEntries.page");
66         try
67         {
68             RollerRequest rreq = RollerRequest.getRollerRequest(request);
69             RollerSession rollerSession = RollerSession.getRollerSession(rreq.getRequest());
70             if ( rreq.getWebsite() == null
71                   || !rollerSession.isUserAuthorizedToAdmin(rreq.getWebsite()))
72             {
73                 forward = mapping.findForward("access-denied");
74             }
75             else
76             {
77                getXmlFiles(actionForm, rreq);
78                 ImportEntriesForm form = (ImportEntriesForm)actionForm;
79                 if (StringUtils.isNotEmpty(form.getImportFileName()))
80                 {
81                     // "default" values
82 WebsiteData website = rreq.getWebsite();
83
84                     // load selected file
85 String JavaDoc dir = RollerFactory.getRoller().getFileManager().getUploadDir();
86                     File JavaDoc f = new File JavaDoc(dir + website.getHandle() +
87                                       "/" + form.getImportFileName());
88
89                     //ArchiveParser archiveParser =
90 //new ArchiveParser(RollerFactory.getRoller(), rreq.getWebsite(), f);
91 String JavaDoc parseMessages = null; // archiveParser.parse();
92
93                     // buf will be non-zero if Entries were imported
94 if (parseMessages.length() > 0)
95                     {
96                         ActionMessages notices = new ActionMessages();
97                         notices.add(ActionMessages.GLOBAL_MESSAGE,
98                                      new ActionMessage("weblogEntryImport.importFiles",
99                                                    parseMessages));
100                         saveMessages(request, notices);
101
102                         // Flush the page cache
103 //PageCacheFilter.removeFromCache(request, website);
104 CacheManager.invalidate(website);
105                     }
106                     else
107                     {
108                         ActionErrors errors = new ActionErrors();
109                         errors.add(ActionErrors.GLOBAL_ERROR,
110                                    new ActionError("error.importing.entries", ""));
111                         saveErrors(request,errors);
112                     }
113                 }
114             }
115         }
116         catch (Exception JavaDoc e)
117         {
118             request.getSession().getServletContext().log("ERROR",e);
119             throw new ServletException JavaDoc(e);
120         }
121         return forward;
122     }
123
124     /**
125      * Load list of XML files available for import.
126      * @param mapping
127      * @param actionForm
128      * @param request
129      * @param response
130      * @return
131      * @throws IOException
132      * @throws ServletException
133      */
134     public ActionForward edit(
135                               ActionMapping mapping,
136                               ActionForm actionForm,
137                               HttpServletRequest JavaDoc request,
138                               HttpServletResponse JavaDoc response)
139     throws IOException JavaDoc, ServletException JavaDoc
140     {
141         ActionForward forward = mapping.findForward("importEntries.page");
142         try
143         {
144             RollerRequest rreq = RollerRequest.getRollerRequest(request);
145             RollerSession rses = RollerSession.getRollerSession(request);
146             if ( rreq.getWebsite() == null
147                  || !rses.isUserAuthorizedToAdmin(rreq.getWebsite()) )
148             {
149                 forward = mapping.findForward("access-denied");
150             }
151             else
152             {
153                 getXmlFiles(actionForm, rreq);
154             }
155         }
156         catch (Exception JavaDoc e)
157         {
158             request.getSession().getServletContext().log("ERROR",e);
159             throw new ServletException JavaDoc(e);
160         }
161         return forward;
162     }
163
164     private void getXmlFiles(ActionForm actionForm, RollerRequest rreq)
165     {
166         String JavaDoc dir = null;
167                 try {
168                     RollerFactory.getRoller().getFileManager().getUploadDir();
169                 } catch(RollerException re) {
170                     // shouldn't happen
171 }
172                 
173         File JavaDoc d = new File JavaDoc(dir + rreq.getWebsite().getHandle());
174         ArrayList JavaDoc xmlFiles = new ArrayList JavaDoc();
175         if (d.mkdirs() || d.exists())
176         {
177             File JavaDoc[] files = d.listFiles();
178             for (int i=0; i<files.length; i++)
179             {
180                 if (!files[i].isDirectory() &&
181                     files[i].getName().toLowerCase().endsWith(".xml"))
182                     // TODO : later change detection to use FileInfo
183 {
184                     xmlFiles.add(files[i].getName());
185                 }
186             }
187         }
188         ImportEntriesForm form = (ImportEntriesForm)actionForm;
189         form.setXmlFiles(xmlFiles);
190     }
191 }
192
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